S-98180A270 1.637" ID x 3.012" OD ASME B18.21.1 SAE Washers
SAE Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Exceptional load distribution with 3.012" OD and 1.637" ID for superior surface coverage and reduced risk of material damage
- High-strength performance with Grade 8 classification and Rockwell C38 hardness for demanding industrial applications
- Superior corrosion resistance through zinc-flake coating, extending service life in harsh environments
- Precision dimensional accuracy with thickness range of 0.136-0.177" ensuring consistent performance and fit
- Industry-standard compliance with ASME B18.21.1 specifications for reliable engineering applications
- Environmental responsibility with RoHS 3 and REACH compliance for sustainable procurement
- Optimized for 1 1/2" fasteners providing secure mating and vibration resistance in heavy-duty assemblies
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, this Grade 8 SAE flat washer delivers critical performance where vibration resistance and load distribution are paramount. The zinc-flake coated steel construction provides exceptional corrosion protection in demanding environments including manufacturing equipment, structural assemblies, and machinery maintenance. With Rockwell C38 hardness and precise dimensional control per ASME B18.21.1, these inch system washers prevent fastener loosening and surface damage while maintaining high-strength performance under extreme conditions. Ideal for construction, automotive, and industrial machinery applications requiring reliable fastening solutions that withstand rigorous operational demands.
Specification Summary & Compliance
This SAE flat washer features precise dimensional specifications including 1.637" ID, 3.012" OD, and thickness range of 0.136-0.177" manufactured to ASME B18.21.1 standards. The Grade 8 classification and Rockwell C38 hardness ensure consistent mechanical properties for high-strength applications. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, this washer meets rigorous industry requirements for material safety and performance in professional industrial washers applications.
